US2886473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treating textile materials and resulting products
Assignee: Shell Development Co
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Filing: 1955-11-18
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Granted: 1959-05-12
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Expires: 1975-11-18
Abstract
No abstract record available.
Inventors
- 👤 Carl W Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:07
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/55; Y; Y10; Y10S; Y10S525/00; Y10S525/942; Y10S8/00; Y10S8/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A PROCESS FOR PREPARING POLYEPOXIDE-TREATED CELLULOSIC FABRICS HAVING IMPROVED TENSILE STRENGTH WHICH COMPRISES IMPREGNATING A CELLULOSIC TEXTILE MATERIAL WITH A 3% TO 50% AQUEOUS SOLUTION OF A POLYETHER POLYEPOXIDE CONTAINING 5 PARTS TO 60 PARTS PER 100 PARTS OF POLYETHER POLYEPOXIDE OF A RUBBER SELECTED FROM THE GROUP CONSISTING A BUTADIENE-STYRENE COPOLYMERS, BUTADIENE-ACRYLONITILE COPOLYMERS AND BUTADIEN-VINYLPYRIDINE COPOLYMERS, AND 0.5% TO 40% OF AN EPOXY RESIN CURING AGENT AND HEATING AT A TEMPERATURE BETWEEN 100* C. AND 200* C. TO CURE THE POLYETHER POLYEPOXIDE.
Claim 2
Dependent Claim
83 words
A PROCESS FOR PREPARING POLYEPOXIDE-TREATED CELLULOSIC FABRICS HAVING IMPROVED TENSILE STRENGTH WHICH COMPRISES IMPREGNATING A CELLULOSIC TEXTILE MATERIAL WITH A 3% TO 50% AQUEOUS SOLUTION OF A POLYETHER POLYEPOXIDE CONTAINING 5 PARTS TO 60 PARTS PER 100 PARTS OF POLYETHER POLYEPOXIDE OF A RUBBER SELECTED FROM THE GROUP CONSISTING A BUTADIENE-STYRENE COPOLYMERS, BUTADIENE-ACRYLONITILE COPOLYMERS AND BUTADIEN-VINYLPYRIDINE COPOLYMERS, AND 0.5% TO 40% OF AN EPOXY RESIN CURING AGENT AND HEATING AT A TEMPERATURE BETWEEN 100* C. AND 200* C. TO CURE THE POLYETHER POLYEPOXIDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |